<template>
  <!-- 头部 -->
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <p v-if="!isLogin">
            <span>请</span>
            <router-link to="/login">登录</router-link>
            <router-link to="/register" class="register">免费注册</router-link>
          </p>
          <!-- 已登录展示的名称 -->
          <p v-else>
           <a href="javascript:;" class="register" >{{ nickName }}</a>
           <a href="javascript:;" @click="logout" class="register" style="color: blue;">退出登录</a>
          </p>
        </div>
        <div class="typeList">
          <router-link  to="/center">我的订单</router-link>
          <router-link  to="/shopcart">我的购物车</router-link>
          <a href="javascript:;">我的尚品汇</a>
          <a href="javascript:;">尚品汇会员</a>
          <a href="javascript:;">企业采购</a>
          <a href="javascript:;">关注尚品汇</a>
          <a href="javascript:;">合作招商</a>
          <a href="javascript:;">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <!-- <img src="./images/logo.png" alt=""> -->
        <router-link to="/home">
          <a class="logo" title="尚品汇" target="_blank">
            <img src="./images/logo.png" alt="">
          </a>
        </router-link>

      </h1>
      <div class="searchArea">
        <form action="javascript:;" class="searchForm">
          <input type="text" id="autocomplete" class="input-error input-xxlarge" v-model="keyword" />
          <button class="sui-btn btn-xlarge btn-danger" type="button" @click="goSearch">搜索</button>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
import { mapState } from 'vuex';
export default {
  name: 'Header',
  data() {
    return {
      keyword: '', // 收集输入的关键字
      key:0,
    };
  },
  computed:{
    ...mapState({
      isLogin:state=>state.User.isLogin,
      nickName:state=>state.User.nickName
    })
  },
  methods: {
    // 按钮的回调
    goSearch() {
      let locations = {
        name: 'search',
        params: {
          keyword: this.keyword || undefined,
        },
      };
      //如果路径上有query参数:需要携带,也是搜索条件之一
      if (this.$route.query.categoryName) {
        locations.query = this.$route.query;
      }
      this.$router.push(locations);
    },
    // 退出登录
    logout(){
        this.$store.dispatch('Userlogout').then(()=>{
          // 退出登录成功跳转首页
          this.$router.push({name:'login'})
        })
    }
  },
  // 挂载完毕调用
  mounted() {
    // 接收search组件绑定的全局事件(第一个参数是事件类型,第二个参数是回调)
    this.$bus.$on('clear',()=>{
      // search组件删除的时候,header中的输入框的内容置为空
        this.keyword = '';
    });
  //  this.checkingToken()
  },
};
</script>

<style scoped lang="less">
.header {
  &>.top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          &+a {
            border-left: 1px solid #b3aeae;
          }
        }
      }
    }
  }

  &>.bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>